docs: def show():
      """Show image summary information"""
  
      ecode = 0
      try:
          o = collections.OrderedDict()
          inimage = imagelist[0]
          anchoreDB = contexts['anchore_db']
          image = anchoreDB.load_image(inimage)
          if image:
              mymeta = image['meta']
              alltags_current = image['anchore_current_tags']
              distrodict = anchore_utils.get_distro_from_imageId(inimage)
              distro = distrodict['DISTRO']
              distrovers = distrodict['DISTROVERS']
              base = image['familytree'][0]
  
              o['IMAGEID'] = mymeta.pop('imageId', "N/A")
              o['REPOTAGS'] = alltags_current
              o['DISTRO'] = distro
              o['DISTROVERS'] = distrovers
              o['HUMANNAME'] = mymeta.pop('humanname', "N/A")
              o['SHORTID'] = mymeta.pop('shortId', "N/A")
              o['PARENTID'] = mymeta.pop('parentId', "N/A")
              o['BASEID'] = base
              o['IMAGETYPE'] = mymeta.pop('usertype', "N/A")
  
              for k in o.keys():
                  if type(o[k]) is list:
                      s = ' '.join(o[k])
                  else:
                      s = str(o[k])
                  print k+"='"+s+"'"
          else:
              raise Exception("cannot locate input image in anchore DB")
  
      except Exception as err:
          anchore_print_err("operation failed")
          ecode = 1
  
      contexts['anchore_allimages'].clear()
  
      sys.exit(ecode)